UL BADF090, Installation Instruction, Page: 2 / 20

Safety Considerations.......................................................... 1
General ................................................................................ 1
Inspection............................................................................. 1
Reference ............................................................................ 1
Approvals ............................................................................. 1
Nomenclature....................................................................... 2
INSTALLATION
Limitations ............................................................................ 3
Location ............................................................................... 3
Condensate Drainage Precaution ....................................... 3
Rigging and Handling .......................................................... 3
Clearances........................................................................... 3
Ductwork .............................................................................. 3
Condensate Drain ................................................................ 4
Compressors........................................................................ 4
Filters ................................................................................... 4
Service Access..................................................................... 4
Thermostat ........................................................................... 4
Power and Control Wiring .................................................... 4
Combustion Discharge ........................................................ 4
Gas Piping ........................................................................... 4
Gas Connection ................................................................... 5
L.P. Units, Tanks and Piping ................................................ 6
Vent and Combustion Air Hoods.......................................... 6
OPERATION
Cooling System.................................................................. 10
Heating System (Heat Pump) ............................................ 10
Defrost Sequence of Operation ..........................................11
Heating System (Gas Heat)............................................... 12
Safety Controls .................................................................. 12
Heat Anticipator Setpoints ................................................. 12
Pre-Start Check List........................................................... 12
START-UP
Operating Instructions........................................................ 14
Post-Start Check List ......................................................... 14
Manifold Gas Pressure Adjustment ................................... 14
Pilot Checkout.................................................................... 14
Burner Instructions............................................................. 14
Burner Air Shutter Adjustment ........................................... 15
Checking Supply Air CFM.................................................. 15
Adjustment of Temperature Rise ....................................... 16
Checking Gas Input ........................................................... 16
Secure Owner’s Approval .................................................. 16
MAINTENANCE & TROUBLESHOOTING
Normal Maintenance.......................................................... 17
Cleaning Flue Passages and Heating Elements ............... 17
Troubleshooting ................................................................. 18
Replacement Parts ............................................................ 19
TABLES
No. Description Page
1 Unit Application Data .................................. 3
2 Gas Heat Application Data.......................... 5
3 Pipe Sizing .................................................. 5
4 Physical Data .............................................. 9
5 Supply Air Blower Performance .................. 9
6 Accessory Static Resistances .................... 10
7 Blower Motor and Drive Data...................... 10
8 Electrical Data............................................. 10
9 Limit Control Setting ................................... 13
10 Blower Motor Pulley Adjustment ................. 15
11 Gas Rate - Cubic Feet Per Hour ................ 16
FIGURES
No. Description Page
1 Center of Gravity......................................... 3
2 Recommended Drain Piping....................... 4
3 Typical Field Wiring..................................... 5
4 External Supply Connection ....................... 6
5 Bottom Supply Connection ......................... 6
6 Vent and Combustion Air Hoods................. 6
7 Dimensions and Clearances....................... 7
8 Defrost Initiation Times ............................... 12
9 Ambient Modified Time/Temp. Control........ 12
10 Gas Valve Piping......................................... 13
11 Typical Gas Valve ....................................... 14
12 Proper Flame Adjustment ........................... 14
13 Typical Flame Appearance ......................... 15
14 Pressure Drop versus Supply Air CFM....... 15
TABLE OF CONTENTS
B A D F - F 0 9 0 N
PRODUCT NOMENCLATURE
PRODUCT GENERATION
A = 1st Generation
PRODUCT CATEGORY
B = Single Package Heat Pump
(Air-Cooled)
PRODUCT IDENTIFIER
DF = Dual Fuel Heat Pump
VOLTAGE CODE
-T = 208/230-3-60
-W = 460-3-60
-X = 575-3-60
NOMINAL COOLING
CAPACITY
090 = 7-1/2 Ton
120 = 10 Ton
FACTORY
INSTALLED HEAT
N = Natural Gas
0 5 0
NOMINAL HEATING
INPUT CAPACITY
165 = 163 MBH
205 = 204 MBH
245 = 245 MBH
GAS
511.17-N2W
2 Unitary Products Group